''HUtHALOGENATED SOLVENTS INDUSTRY ALLIANCE 1225 19th Street.

MATERIAL SAFETY DATA SHEET Sigma-Aldrich Corporation 1001 West Saint Paul Ave, Milwaukee, WI 53233 USA Ve ion January 1992 For Emergency Contact USA/Canada Outside USA/Canada Sigma 800-325-5832 314-771-5765 Aldrich 800-231-8327 414-273-3850 Cl ciaf2acn3 57,218-2 ------------------------------------- IDENTIFICATION ---------------------------------------- PRODUCT #: 82270 NAME: 1,2-DICHLOROPROPANE CAS #: 78-87-5 SYNONYMS BICHLORURE DE PROPYLENE (FRENCH) * ALPHA, BETA-DICHLOROPROPANE * 1,2- DICHLOROPROPANE * 1,2-DICHLOROPROPANE (OSHA) * DWUCHLOROPROPAN (POLISH) * ENT 15,406 * NCI-C55141 * PROPYLENE CHLORIDE * PROPYLENE DICHLORIDE * ALPHA,BETA-PROPYLENE DICHLORIDE * PROPYLENE DICHLORIDE (ACGIH,OSHA) * RCRA WASTE NUMBER U083 * ------------------------------------- TOXICITY HAZARDS ---------------------------------------- RTECS NO: TX9625000 PROPANE, 1,2-DICHLORO- IRRITATION DATA EYE-RBT 500 MG MLD AIHAAP 30,470,69 TOXICITY DATA ORL-RAT LD50:1947 MG/KG AIHAAP 20,364,59 IHL-RAT LC50:14 GM/M3/8H AIHAAP 20,364,59 ORL-MUS LD50:860 MG/KG 85JCAE -,98,86 UNR-MUS LD50:960 MG/KG ESKGA2 28,P31,82 SKN-RBT LD50:8750 MG/KG UCDS** 7/28/66 ORL-GPG LD50:2 GM/KG FMCHA2 -,C242,89 REVIEWS, STANDARDS, AND REGULATIONS DO A 071971 CONFTDFNT TAI ACGIH TLV-TWA 75 PPM?

DOW CONFIDENTIAL INFORMATION R&D REPORT THE DOW CHEMICAL COMPANY CRI NUMBER LABORATORY REPORT CODE LAD-AR 93.05 DEPARTMENT RESEARCH AND DEVELOPMENT GEOGRAPHIC LOCATION LOUISIANA DATE ISSUED April 26, 1993 REPORT TITLE Accelerating Rate Calorimetry Testing of Process Leak Repair Sealants _48_ PAGES IN FULL REPORT for Chlorine Service (Steam & Process SP-2026, SP-CM, SP-300D, and -fcA;B NO.

LOSS PREVENTION MARCH 1992 DOW CONFIDENTIAL DO A 023062 CONFIDENTIAL ELECTRICAL SYSTEM RELIABILITY AUDIT OF CELL SERVICE LONNIE MARCHAND ELECTRICAL RELIABILITY COORDINATOR EUGENE ESKINS AUDIT MEMBER AUDIT CONDUCTED: February 24, 1992 3/92 dml . 0230*>3 GENERAL COMMENTS There is an accumulation of dust and dirt on batteries located inside the generator control room, inside the MCC No. 1 electrical room and at the GT-502 panel.

LOSS PREVENTION PRINCIPLES CORPORATE LOSS PREVENTION THE DOW CHEMICAL COMPANY.

1 Ethanolamines/Glycol Ethers Tier 3 Procedure Section Number: Issue Number: Original Date: Revision Date: Title: References: 639 1.3 02-07-92 Author: Dwayne Leglue 12-29-95 Procedure For Running Conductivity Glossary Of Equipment Identification (Text #114) 639.

t Ethanolamines/Glycol Ethers Tier 3 Procedure Section Number: Issue Number: Original Date: Revision Date: Title: References: 1503 1.3 05-19-92 Author: Mike Viator 06-06-95 Measurement Equipment Calibration Control Glossary Of Equipment Identification (Text #114) QSP07 Inspection and Testing QSP08 Inspection Equipment Calibration 1503 Measurement Equipment Calibration Control 1.0 Objective: 1.1 To present minimum requirements for the control of measurement equipment calibration in the Ethanolamines/Glycol Ethers laboratory. 2.0 Scope: 2.1 This document describes a system for control of measurement equipment calibration in the Ethanolamines/Glycol Ethers laboratory. 3.0 Policy: 3.1 All analytical equipment used to take measurement will be checked daily for general workability.

ABERDEEN VCM STATUS REPORT FOR SEPTEMBER 25, 1990 FROM: Amy Bagwell - Aberdeen CC: DCS.

ABERDEEN VCM STATUS REPORT FOR JANUARY 25 - 27, 1991 'ROM: Amy Bagwell - Aberdeen CC: DCS, JDO, LDH, AKV FAX TO; Bill Hunnicutt Archie Fruge - Houston, SAT - Houston, SAT - LC VCM Plant (Fax No.: 713-588-3429) (Fax No.: 713-588-3010) (Fax No.: 318-494-6006) VCM TANK INVENTORY: Sphere 3,156,606 Tanks: 155,111 VCM RAILCAR INVENTORY: TOTAL VCM INVENTORY: * . 3,311,917 2,109,100 5,421,017 VCM CARS OFFLOADED: Total Lbs.

FROM: ABERDEEN VCM STATUS REPORT FOR MAY 15, 1990 Amy Bafwall - Aberdeen CC: DCS, JDO, JMV, LDH, AV JC TO: Fet Hamiltoii' - Houston.

MORRISON.

Tier Two / Emergency and Hazardous Chemical Invontory Page 1 of 1 Facility Identification.

Ethanolamines/Glycol Ethers Tier 3 Procedure Section Number Issue Number Original Date Date Title References :227 :1.3 :07-03-91 Author: Dwayne Leglue : 12-29-95 :F-273 A, B, C Element Change "B" References :Glossary Of Equipment Identification (Text #114) 227 F-273 A, B, C Element Change "B" References 1.0 Objective: 1.1 To replace these elements in a safe and efficient manner. 2.0 Responsibility: 2.1 It is the responsibility of the Operations Supervisor and the Senior Operations Specialist to ensure that this procedure is fully complied with. 2.2 It is the responsibility of the Senior Operations Specialist and the Operations Specialist to ensure that this procedure is executed in a safe and efficient manner. 3.0 Special Notations: 3.1 The following steps outline the correct procedure for changing filter elements in the F273 filters.

f-Z3-1995 16*07 FRta QRPSYOBH um> 6 LJQCED LLP TO laiflii^gOai-MaMBB; P.Bl DRAYDEN, WYCHE & WOOD, LX.P. 1360 POST OAK BLVD. sumi6so HOUSTON, TEXAS 77056 Tel: (713) 965-0120 flu; <71$ 9604010 Toll fter. <80$ 9694067 nt4XW7774I TO FOLLOW***** DATE; Fctautty 23, 1995 PAX Nth (21$ 906-2021 PLEASE DELIVER 1HB FOLLOWING PAGES TO; TO: Mr.

PROM * pfTCYOST & UMPHRgr TO SID-EY&nuSTIN Nr 1994.35-31 144S 3S4 P.33/3** IN TI1E UNITED STATES DISTRICT COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION HONORABLE SIEKEON LAKE, III H--94*1103 DORIS EIRVEN V.